Study On Energy Saving And Emission Reduction Strategy Of Sichuan Comprehensive Transportation System Based On System Dynamics

With the rapid economic development,energy and environmental problems are becoming more and more serious,energy conservation and emission reduction has become an important issue in various countries and regions.Transportation,as a key industry of energy consumption and carbon emission,the realization of energy conservation and emission reduction is of great significance to the sustainable development of society.This paper selects Sichuan province as the research object,studies its comprehensive transportation energy saving and emission reduction system and puts forward some reference suggestions.The main work of this paper is divided into three parts:First of all,through the study of relevant literature and theory,clear comprehensive transportation system and the relationship between social economy,energy and environment,On this basis,the factors affecting the comprehensive transportation energy saving and emission reduction system in Sichuan province are analyzed in depth,and the causality diagram of the system is established,which provides the basis for the later model.Secondly,the system boundary is established according to the feedback relationship among the systems.Using system dynamics simulation software Vensim to establish the system dynamics model of Sichuan comprehensive transportation energy saving and emission reduction system.The data required for the model are collected and and sorted out by all parties.Through regression analysis and mathematical derivation,the quantitative relationship between variables in the system is established,and the parameter equations of all variables in the model are determined.Finally,through the establishment of energy-saving emission reduction system dynamics model.Using scenario analysis theory,set up a variety of control scenarios to simulate the future development of the system.Comparing the simulation results of the system under different control means,looking for effective ways to achieve energy conservation and emission reduction of comprehensive transportation system in Sichuan province.The results show that under the condition of single variable adjustment,the adjustment of transport structure,the reduction of passenger and freight share rate of aviation and highway,and the reduction of transport unit consumption of high energy consumption means of transport can achieve good energy saving and emission reduction effect.Adjusting the industrial structure and increasing the proportion of tertiary industry will affect the system energy consumption and CO₂ emissions by influencing the freight turnover.The study found that energy conservation and emission reduction effects of adjusting energy structure and increasing investment in environmental protection were limited.In the long term,adjusting energy structure is beneficial to the sustainable development of integrated transportation system.Increasing investment in environmental protection can be used as an auxiliary means to improve the environment.